IPv4 R&E Routing Table Report 23:05 GMT Fri 19 Jan, 2024 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 930329 Prefixes after maximum aggregation (per Origin AS): 355724 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455553 Number of IPv4 prefixes with a valid ROA: 436770 Number of IPv4 prefixes with an invalid ROA: 1131 Number of IPv4 prefixes with no ROA: 492428 Total ASes present in the Internet Routing Table: 75067 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64608 Origin ASes announcing only one prefix: 26527 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1064 Number of instances of unregistered ASNs: 1066 Number of 32-bit ASNs allocated by the RIRs: 43424 Number of 32-bit ASNs visible in the Routing Table: 35649 Prefixes from 32-bit ASNs in the Routing Table: 179244 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 478 Number of addresses announced to Internet: 3046422272 Equivalent to 181 /8s, 148 /16s and 183 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 308665 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244794 Total APNIC prefixes after maximum aggregation: 71784 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 237821 Unique aggregates announced from the APNIC address blocks: 99728 APNIC Region origin ASes present in the Internet Routing Table: 13829 APNIC Prefixes per ASN: 17.20 APNIC Region origin ASes announcing only one prefix: 4165 APNIC Region transit ASes present in the Internet Routing Table: 1846 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9242 Number of APNIC addresses announced to Internet: 774288128 Equivalent to 46 /8s, 38 /16s and 179 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 272325 Total ARIN prefixes after maximum aggregation: 123528 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276993 Unique aggregates announced from the ARIN address blocks: 131952 ARIN Region origin ASes present in the Internet Routing Table: 19022 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1858 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4823 Number of ARIN addresses announced to Internet: 1271702528 Equivalent to 75 /8s, 204 /16s and 164 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 261478 Total RIPE prefixes after maximum aggregation: 125039 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256121 Unique aggregates announced from the RIPE address blocks: 161086 RIPE Region origin ASes present in the Internet Routing Table: 28503 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11531 Number of RIPE addresses announced to Internet: 714364160 Equivalent to 42 /8s, 148 /16s and 85 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 120132 Total LACNIC prefixes after maximum aggregation: 28619 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118790 Unique aggregates announced from the LACNIC address blocks: 49492 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2352 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8895 Number of LACNIC addresses announced to Internet: 178042112 Equivalent to 10 /8s, 156 /16s and 181 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 30536 Total AfriNIC prefixes after maximum aggregation: 6042 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 40126 Unique aggregates announced from the AfriNIC address blocks: 12895 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.14 AfriNIC Region origin ASes announcing only one prefix: 647 AfriNIC Region transit ASes present in the Internet Routing Table: 348 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1158 Number of AfriNIC addresses announced to Internet: 107741696 Equivalent to 6 /8s, 108 /16s and 2 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3865 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3602 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3444 499 255 BBIL-AP BHARTI Airtel Ltd., IN 45899 3276 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2679 859 359 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2188 442 197 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9472 11198 3382 AMAZON-02, US 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 6327 3568 1319 69 SHAW, CA 22773 3506 3041 294 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3253 1421 2328 AKAMAI-AS, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2966 3830 1430 DNIC-ASBLK-00306-00371, US 396982 2746 3639 390 GOOGLE-CLOUD-PLATFORM, US 7018 2515 23621 1582 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7558 1714 146 UNI2-AS, ES 39891 4658 280 55 ALJAWWALSTC-AS, SA 20940 3989 3396 132 AKAMAI-ASN1, NL 9009 3333 289 1598 M247, RO 12389 2904 2302 915 ROSTELECOM-AS, RU 8551 2812 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2327 359 600 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1509 867 579 TCI, IR 8452 1484 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12332 3380 615 UNINET, MX 10620 3527 497 884 Telmex Colombia S.A., CO 13999 2495 338 638 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1237 340 498 Axtel, S.A.B. de C.V., MX 11664 1118 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1548 545 28 RAYA-AS, EG 24863 1524 389 16 LINKdotNET-AS, EG 36992 1363 1518 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1087 70 55 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 539 56 54 WANANCHI-, KE 36914 527 82 3 KENET-AS, KE 24757 483 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12332 3380 615 UNINET, MX 9808 9771 8739 51 CHINAMOBILE-CN China Mobile Communicati 16509 9472 11198 3382 AMAZON-02, US 12479 7558 1714 146 UNI2-AS, ES 7545 5680 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 280 55 ALJAWWALSTC-AS, SA 18403 4575 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4567 303 671 CABLEONE, US 7155 4177 288 96 VIASAT-SP-BACKBONE, US 20940 3989 3396 132 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9771 9720 CHINAMOBILE-CN China Mobile Communications Grou 12479 7558 7412 UNI2-AS, ES 16509 9472 6090 AMAZON-02, US 7545 5680 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4658 4603 ALJAWWALSTC-AS, SA 18403 4575 4550 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4081 VIASAT-SP-BACKBONE, US 11492 4567 3896 CABLEONE, US 20940 3989 3857 AKAMAI-ASN1, NL 7552 3865 3845 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 19589 UNALLOCATED 8.19.242.0/24 23314 ORLANDOTELCO, US 19589 UNALLOCATED 8.19.248.0/24 23314 ORLANDOTELCO, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 19589 UNALLOCATED 8.26.112.0/23 23314 ORLANDOTELCO, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.169.168.0/24 Origin: 151188 M4NIC-AS-AP 404 Network Information Co., 23.169.168.0/24 Transit: 202400 TAIPEI101-NETWORK-LLC, GB 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:36 /11:99 /12:300 /13:575 /14:1193 /15:2063 /16:13402 /17:8127 /18:13648 /19:24701 /20:43153 /21:51172 /22:109888 /23:98369 /24:563565 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6643 7558 UNI2-AS, ES 8151 6306 12332 UNINET, MX 11492 3481 4567 CABLEONE, US 6327 3374 3568 SHAW, CA 39891 3340 4658 ALJAWWALSTC-AS, SA 7155 3121 4177 VIASAT-SP-BACKBONE, US 22773 2553 3506 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2288 2812 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 10620 2130 3527 Telmex Colombia S.A., CO 30036 2129 2472 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2294 2:1469 3:284 4:5 5:4427 6:163 7:6 8:1491 9:1 11:172 12:1483 13:372 14:2335 15:310 16:203 17:361 18:713 20:348 21:4 22:188 23:6592 24:2680 25:2 27:2515 29:19 31:2547 32:51 34:36 35:119 36:2151 37:4484 38:5964 39:888 40:149 41:4155 42:2211 43:2291 44:325 45:16729 46:4299 47:285 49:1898 50:1882 51:574 52:1592 54:361 55:859 56:5 57:133 58:1876 59:1147 60:1016 61:2598 62:2720 63:1907 64:5507 65:2339 66:4878 67:3041 68:1332 69:4080 70:1177 71:579 72:2907 74:2637 75:1554 76:621 77:2334 78:1826 79:2584 80:2132 81:1897 82:1524 83:1263 84:1624 85:3064 86:773 87:1958 88:1218 89:3950 90:659 91:7900 92:2180 93:2634 94:3592 95:4019 96:1289 97:318 98:1015 99:746 100:96 101:1166 102:3038 103:32453 104:4780 105:599 106:910 107:2744 108:1118 109:4039 110:2135 111:3140 112:2085 113:1727 114:1744 115:1983 116:1954 117:2638 118:2765 119:1949 120:1765 121:1262 122:2636 123:2171 124:1551 125:2802 126:28 128:1410 129:899 130:1067 131:1940 132:821 133:410 134:1706 135:308 136:919 137:998 138:2770 139:1560 140:1303 141:1347 142:1540 143:1524 144:1000 145:340 146:1987 147:1652 148:2507 149:2426 150:1017 151:1306 152:1962 153:528 154:5580 155:1369 156:2087 157:1400 158:1087 159:2205 160:2600 161:1622 162:3601 163:1668 164:1617 165:2092 166:1065 167:1698 168:3807 169:790 170:4683 171:992 172:3774 173:2997 174:892 175:1215 176:3613 177:4571 178:3515 179:2199 180:2367 181:3663 182:3411 183:2017 184:2277 185:20514 186:4775 187:4374 188:3980 189:3966 190:9311 191:1464 192:10992 193:8962 194:7350 195:5206 196:3173 197:2603 198:5887 199:7012 200:8041 201:6333 202:10124 203:10054 204:4575 205:3670 206:4384 207:3405 208:4095 209:4902 210:4337 211:2502 212:4216 213:3397 214:1109 215:44 216:6773 217:2770 218:1289 219:414 220:1819 221:1021 222:687 223:2196 End of report